HOD HEALTH AND HOME Australia has been operating online and instore for 8 years. All products come with a 1 year warranty, fast shipping and special offers added to our site daily.. Ergonomic Design Fashionable Appearance And Comfortable Hand Feel. Professional Optical Positioning Technology More Accurate Positioning. Intelligent Mini Receiver Automatic Connection No Need To Cumbersome Code. Up To 16 Million Kinds Of Id Coding Design Enhance The Anti-Interference Characteristics Of The Mouse. The Mouse Will Shut Off Automatically And Enter Sleeping Mode For Saving Power When It's Not Used For A Long Time.To Wake It UpPress The Right Or Left Button. Intelligent Power-Saving TechnologyThe Service Life Of One Alkaline Battery Is Up To Six Months . Specifications: Mouse Size/Span>00Mm-120Mm Photoelectric Resolution200Dpi (Dpi) Connected To The Computer：Wireless Number Of Buttons (Key) Operating Distance0(M) Way Of Working：Photoelectric Key Lifetime: 3 Million Times